Patents by Inventor David E. Dirks

David E. Dirks has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Plastic encapsulated wire rope
    Patent number: 4490969
    Abstract: The present invention provides a method of manufacturing a thermoplastic encapsulated wire rope. Such thermoplastic encapsulated wire rope is quenched in a lubricant bath or spray to fill any openings in the thermoplastic with lubricant. The wire rope so produced is also part of the present invention.
    Type: Grant
    Filed: March 25, 1983
    Date of Patent: January 1, 1985
    Assignee: AMSTED Industries Incorporated
    Inventors: Neville H. Simpson, Thomas H. Dosemagen, David E. Dirks